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Submissions from 1999

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Incorporating native plant communities on farms for forage and wildlife, Laura Jackson

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Determining the benefits of environmental improvements in pork production and their sustainability: a community-based study of Iowa's pork industry, James B. Kliebenstein and Sean P. Hurley

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Non-farmer's Guide to Agriculture (Polk County), Jill Knapp and LaVon Griffieon

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Biocontrol of Sclerotinia stem rot in soybeans with Sporidesmium sclerotivorum, Charlie A. Martinson and Xiao-Bing Yang

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Evaluation of the impact of tillage/cropping systems on soil microflora and week seedbank predation, Micheal D. K. Owen, Joel Felix, Robert G. Hartzler, Thomas E. Loynachan, L. H. Tiffany, and Thomas B. Moorman

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Integrated pest management for wireworms, Larry P. Pedigo, Marlin E. Rice, and William D. Batchelor

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Evaluation of the nitrogen and energy utilization of legume forages by growing cattle and sheep, James R. Russell and Mohammadreza Ghaffarzadeh

Submissions from 1998

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Iowa Pasture Management Guide, Stephen K. Barnhart and Kenneth J. Moore

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Collection of forage crop germplasm throughout Iowa, Charlie W. Brummer and Stephen K. Barnhart

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Demonstration of an agroforestry system to minimize pollution hazards from land application of treated municipal sludge, Joseph P. Colletti, Michael L. Thompson, Richard C. Schultz, Carl W. Mize, and Irvin Anderson

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Demonstration of an annual forage crop integrated with crop and livestock enterprises, Richard M. Cruse, Mark S. Honeyman, and Mohammad Ghaffarzadeh

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Intensive rotational grazing management education-demonstration for Northeast Iowa dairy and beef producers, Tony Harvey

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Demonstration of a Swedish sustainable swine production system in Iowa, Mark S. Honeyman

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Enhancement of agricultural weed control by manipulation of the light environment, Thomas W. Jurik

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Impacts of swine manure application and alternative N-management practices on productivity, sustainability and water quality, Rameshwar S. Kanwar, Douglas Karlen, Cynthia A. Cambardella, Thomas Moorman, Thomas R. Steinheimer, and Thomas S. Colvin

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Animal manure-municipal yard waste composting project in Wright County, Iowa, Randy Killom and Donald G. Wetterauer

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Fertilizer placement for ridge-till and no-till systems, Antonio P. Mallarino

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Everything you wanted to know about wildlife and fisheries: A field day for agriculturists, James L. Pease and Merry Rankin

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Education-demonstration for intensive grazing and forage management on highly erodible land, Brian C. Peterson and Norvell Houck

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Mahaska County livestock manure/crop nutrient management demonstration project, Joe Sellers, Allan L. Seim, and Grant Wells

Submissions from 1997

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Expanding the audience of the Leopold Center for Sustainable Agriculture, Cindy Sickbert Blobaum

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Sustainable agriculture practices in home gardening/ Disseminating research-based information applicable to both rural and urban clientele in Central Iowa, John L. Creswell and Barbara Hug

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Agricultural chemical dealers: Shifting from selling products to services, James A. Fawcett and L. Gregory Brenneman

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Animal and plant responses for steers grazing switchgrass and big bluestem pastures, J. Ronald George, Dwayne R. Buxton, Stephen K. Barnhart, and Kenneth J. Moore

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Building in Integrated Pest Management network in cooperation with Iowa fruit and vegetable growers, Mark L. Gleason, Donald R. Lewis, Forrest W. Nutter Jr., Gail R. Nonnecke, Paul Lasley, Steven C. Padgitt, Eldon R. Everhart, Gary Peterson, and Naomi Maahs

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Effective high-speed, high-residue rowcrop cultivation, H. Mark Hanna, Robert G. Hartzler, Donald C. Erbach, and Ron Rosmann

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Effect of tillage, crop rotation and innovative nitrogen and pesticide management practices on productivity, sustainability and water quality, Rameshwar S. Kanwar, Douglas Karlen, Cynthia A. Cambardella, Thomas B. Moorman, T. R. Steinheimer, and Thomas S. Colvin

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Planning for a residential agricultural and environmental education program at the Iowa 4-H Education and Natural Resources Center, Joe Kurth and Judith M. Levings

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Swine system options for Iowa: A catalyst for change, Leopold Center for Sustainable Agriculture

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Evaluation of interactions within a shelterbelt agroecosystem, Carl W. Mize, Joseph P. Colletti, Richard M. Cruse, and Mohammad Ghaffarzadeh

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Biological control of the tarnished plant bug in Iowa, John J. Obrycki and Gail R. Nonnecke

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The cereal leaf beetle in Iowa oats: Research and education program for biological control and sustainable management practices, John J. Obrycki and Marlin E. Rice

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Evaluation of diatomaceous earth as an adjunct to sheep parasite control in organic farming, Gary D. Osweiler and Thomas L. Carson

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Effects on transgenic thuringiensis on European corn borer natural enemies and non-target Lepidopteran pests, Marlin E. Rice, John J. Obrycki, Leslie C. Lewis, and Clinton D. Pilcher

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Supporting Leopold Center IPM research through on-farm trials and demonstrations, Richard Thompson and Derrick N. Exner

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Agriculture and science teaching link, Eldon Weber

Submissions from 1996

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Calibration of the late-spring soil nitrate test for manured soils, Alfred M. Blackmer

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Biorational insecticides for the control of corn rootworm, Joel R. Coats and Jon J. Tollefson

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Effect of row spacing and seeding rates on soybean yields and weed management programs, Robert G. Hartzler, Garren O. Benson, and Dennis Shannon

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Low-input sustainable sow housing for Iowa, Mark S. Honeyman, Steven J. Hoff, James McKean, Dwaine S. Bundy, and Emmett Stevermer

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Native willow stream-bank plantings: a local resource to control erosion and provide an acceptable alternative riparian planting technique, Jon Judson

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The effect of organic versus chemical fertilizers on insect pathogens, Leslie C. Lewis, David I. Shapiro, and Stewart W. Melvin

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Manure management education and demonstration project, Jerry W. Long, Greg Brennemen, and Kenneth Muller

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Integrating sustainable concepts with the ISU Beef Feedlot Performance Projects Program, Daniel D. Loy, Doyle Wilson, and Philip L. Spike

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Animal manure utilization in crop nutrient planning, Gerald A. Miller

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Southeast Iowa on-farm demonstration of sustainable tillage systems and weed profile developments on those systems, Arlyn Musselman and Richard M. Cruse

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Alternative production systems for high-value horticultural crops, Gail R. Nonnecke, John J. Obrycki, and Angela Tedesco

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Conservation Reserve Program research and demonstration project, Brian C. Peterson and Norvell Houck

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Production of a videotape series to promote forage-based livestock production in the Upper Midwest, James R. Russell, Daniel G. Morrical, Stephen K. Barnhart, Kenneth J. Moore, Ann M. Cowen, and Robert Dayton

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Sustaining Iowa soybean production through education about soybean cyst nematode, Gregory L. Tylka

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Agriculture and science link through the Living Soil, Eldon Weber and Julia A. Gamon

Submissions from 1995

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Biomass production and ethanol potential from sweet sorghum, Irvin C. Anderson, Dwayne R. Buxton, Arne Hallam, and E. Hunter

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Wildlife use of and productivity in diverted cropland, Louis Best

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Studies of social, economic, and policy factors affecting farming practices and technology in Iowa, Gordon L. Bultena and Steven C. Padgitt

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Potential economic, environmental benefits of narrow strip intercropping, Richard M. Cruse, Douglas Karlen, and Kenneth J. Moore

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Plant pathogens as biological agents for the control of weeds, Abraham H. Epstein, Micheal D. Owen, and L. H. Tiffany

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Supporting Leopold Center research through on-farm trials and demonstrations, Derrick N. Exner and Richard L. Thompson

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Alternatives for implementation of integrated crop management (ICM) programs in local agricultural input firms, Roger G. Ginder

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Composting for environmentally sound management of poultry and swine mortalities in Iowa, Thomas D. Glanville

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Evaluation of a biological control agent for musk thistle, Robert G. Hartzler

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Control of soil-borne pathogens with strategic use of animal manures, Charlie A. Martinson

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Managing livestock manure for profitability and water quality protection, Stewart W. Melvin

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Long-term holistic study of two Iowa watersheds, Bruce W. Menzel and Richard C. Schultz

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Interactions of VAM fungi, pesticides and crops, Thomas B. Moorman and K. Jayachandran

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Integrating environmental awareness and sustainability issues in a beginning agronomy course, Richard E. Mullen, Robert B. Lindemeyer, and David L. Graf

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Integrated pest management for alfalfa, John J. Obrycki

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Influence of native roadside plants on biological control of Iowa crop pests, David B. Orr and John M. Pleasants

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Use of planting date to avoid injury from soybean insect pests, Larry P. Pedigo and Michael R. Zeiss

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High-intensity, year-round rotational grazing, James R. Russell

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GIS-based environmental and economic analysis of integrated crop-livestock production systems in southern Iowa, U. Sunday Tim, Robert W. Jolly, and Daniel Otto

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Calculation of specific economic thresholds for the commercially available yellow sticky traps used for adult corn rootworm monitoring, Jon J. Tollefson

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Ramifications of excessive use of soybean resistance to the soybean cyst nematode, Heterodera glycines, Gregory L. Tylka

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Agriculture's impact on the living soil, David Williams and Eldon Weber

Submissions from 1994

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Oak regeneration response to thinning from below, David W. Countryman, Richard B. Hall, Richard C. Schultz, Carl W. Mize, and Paul H. Wray

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Transformation and fate of nitrate and atrazine in freshwater wetlands, William G. Crumpton and Arnold van der Valk

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Bird use of restored wetlands on Conservation Reserve Program land, James J. Dinsmore

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Environmental effects of two contrasting farming systems in the Clarion-Nicollet-Webster soil association area, Thomas E. Fenton

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Improved disease resistance in dairy cattle: Correlation of health disorders with measures of immune status; and Genetic improvement for disease resistance by identifying sires whose daughters have fewer disease problems, Albert E. Freeman and Marcus E. Kehrli Jr.

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Renovation of established switchgrass with forage legumes, J. Ronald George and Dwayne R. Buxton

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Adapting predictive models to reduce fungicide sprays on tomatoes in Iowa, Mark L. Gleason, S. Elwynn Taylor, and Henry G. Taber

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Fall-planted spring oats: A low-risk cover crop to reduce erosion following soybean, Robert Horton Jr., Thomas C. Kaspar, and Keith A. Kohler

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Sustainable agriculture: Vision for the future, Connie Hvitved

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Des Moines and Henry County field trials of corn rootworm beetle traps, James H. Jensen

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Evaluation of tillage and crop rotation effects on groundwater quality—Nashua project, Rameshwar S. Kanwar, Douglas Karlen, Thomas S. Colvin, William W. Simpkins, and Vince J. McFadden

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A biorational approach to soybean cyst nematode management in Iowa, George A. Kraus and Gregory L. Tylka

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Buffer strips for controlling herbicide losses, Steven K. Mickelson and James L. Baker

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The Model Farms Demonstration Project, Gerald A. Miller

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Economic analysis of chemical vs. biological suppression of the European corn borer in Iowa corn production, David B. Orr, Marlin E. Rice, John J. Obrycki, and Leslie Lewis

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Sustainable agriculture and wildlife: a multi-organizational field day, James L. Pease

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Prediction and field validation of sediment impacts on riffle insect communities, Kurt W. Pontasch

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Sustainable tree-shrub-grass buffer strips along waterways, Richard C. Schultz, Joseph P. Colletti, Carl W. Mize, Steven E. Jungst, Paul H. Wray, Lita Rule, Richard B. Hall, William W. Simpkins, Michael L. Thompson, Irvin C. Anderson, and Dwayne R. Buxton

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A comparison of agricultural systems at the Allee Research Center, Dennis Shannon, Mark S. Honeyman, Roger McMillin, Robert W. Jolly, Edward Osei, Michael D. Duffy, and Dean Grundman

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Species and variety of conifers for Christmas tree production in Iowa, Paul H. Wray, Jeffery K. Iles, Richard C. Schultz, Richard B. Hall, Carl Mize, Harold S. McNabb Jr., and Elwood Hart

Submissions from 1993

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Efficient herbicide application to reduce environmental losses, James L. Baker and Steven K. Mickelson

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Bird use of roadsides in an agricultural ecosystem, Louis Best and Martha Camp

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Operating procedures for use of the late-spring soil test by fertilizer dealers and consultants in Iowa, Alfred M. Blackmer

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Corn tissue tests for excess phosphorus and potassium, Alfred M. Blackmer and Antonio P. Mallarino

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Changes in soil structural characteristics following establishment of prairie grass, Paul Christiansen and Michael L. Thompson

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Pesticides and their major degradation products as potential contaminants of groundwater, Joel R. Coats, L. Somasundaram, and Ramesh S. Kanwar

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A sustainable agriculture course delivered nationally via AG*SAT, Harold R. Crawford, Ricardo J. Salvador, Allan G. Schmidt, and B. E. Miller